O c 141 O d 05 Question 25 12 points A new medicine has an 8

O c 1.41 O d 0.5 Question 25 (12 points) A new medicine has an 85% success rate. Five patients are treated with it. What is the probability that at estiurare cred Nththse. medicine? a 0.4437 O b 0.3915 ?? 0.5220 O d 0.83521 O e None of the above Time left for this Submit 62:46

Solution

Correct Answer:

D

Working note:

It will be solved using the binomial distribution.

P = .85

Q = 1-.85 = .15

Probability = 5C₄ * P^4 * Q^1 + 5C₅ * P^5 * Q^0

Probability = 5*.85^4 * .15^1 + 1*.85^5 * 1

Probability = .83521